47561564 has 24 divisors (see below), whose sum is σ = 87550848. Its totient is φ = 22576320.

The previous prime is 47561561. The next prime is 47561567. The reversal of 47561564 is 46516574.

It is an interprime number because it is at equal distance from previous prime (47561561) and next prime (47561567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47561561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2954 + ... + 10190.

It is an arithmetic number, because the mean of its divisors is an integer number (3647952).

Almost surely, 2^47561564 is an apocalyptic number.

It is an amenable number.

47561564 is a deficient number, since it is larger than the sum of its proper divisors (39989284).

47561564 is a wasteful number, since it uses less digits than its factorization.

47561564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7325 (or 7323 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 47561564 is about 6896.4892517860. The cubic root of 47561564 is about 362.3142169696.

The spelling of 47561564 in words is "forty-seven million, five hundred sixty-one thousand, five hundred sixty-four".